Across the world, Nziengui-Koumba (Nziengui-Koumba 
) is an extremely rare unknown gender forename. Much more frequently, Nziengui-Koumba is the last name as well as the forename. Parts of the name also exists independently as a last name Nziengui, and a last name Koumba.
| VARIANT | COUNTRY |
|---|---|
| Nziengui-Koumba | Democratic Republic of the Congo |